SIL.FieldWorks.LexText.Controls.MasterCategoryListDlg.ResetOKBtnEnable C# (CSharp) Method

		private void ResetOKBtnEnable()
		{
			bool haveCheckeditems = false;
			foreach (TreeNode node in m_nodes)
			{
				if (node.Checked)
				{
					haveCheckeditems = true;
					break;
				}
			}
			TreeNode selNode = m_tvMasterList.SelectedNode;
			m_btnOK.Enabled = haveCheckeditems
				|| (selNode != null
						&& !(selNode.Tag as MasterCategory).InDatabase);
		}